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Parts for Thermador PRD304EHC/06: Pcb's Assy Parts

Parts for Thermador PRD304EHC/06: Pcb's Assy Parts

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Part Description
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503
Product photo
5.0 (1)
By: Bosch

This transformer supplies the low-voltage power needed for an oven's interior lights so bulbs operate reliably. It restores proper lighting and helps stop flicker or complete loss of oven lamp function. What it does:

  • Converts the oven's supply to the low-voltage output required by interior lamp circuits.
  • Restores steady lamp operation when lights fail to come on or flicker.
  • Works with the oven's light switch and control circuitry to deliver consistent voltage.
  • Helps prevent false diagnostics caused by intermittent lamp power.
What's included:
  • One oven light transformer.
Install notes:
  • Disconnect all power to the appliance before starting any repair.
  • Accessible behind the control panel or chassis; remove panels carefully to reach the transformer.
  • Note wire locations and secure all connectors; use proper wire connectors and strain relief.

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$141.43
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$169.72
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$28.29

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504
Product photo
5.0 (1)
By: Bosch

This electronic PC board is the appliance's main control, processing inputs and directing power to components so cycles run correctly. Replacing a failed board can restore normal operation when the unit is dead, won't start, or stops mid-cycle.

  • Interprets user inputs and sensor feedback to execute programmed cycles
  • Switches relays to power motors, valves, heaters, and other loads as required
  • Manages timing, temperature, and safety logic for consistent performance
  • Typical failure symptoms: no power/won't start, unresponsive or erratic controls, cycles ending prematurely, recurring error codes
What's included: 1 electronic PC board Installation notes:
  • Disconnect power before servicing; verify power is off with a meter
  • Use ESD protection; handle the board by the edges to avoid static damage
  • Move connectors one at a time to identical positions on the new board to prevent miswiring
  • Some models require service-mode setup or calibration after installation—follow your model's service documentation

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$748.49
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$890.70
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$142.21

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505
Product photo

Pin

By: Bosch

This OEM replacement pin is a small hardware fastener used to secure or pivot mating components within the appliance. Replacing a worn or missing pin restores proper alignment and reliable movement of the affected part or linkage.

  • Serves as an axle/retainer for hinges, brackets, or linkages
  • Maintains alignment of moving parts to reduce wobble or binding
  • When bent, worn, or missing, you may notice looseness, rattling, misalignment, or difficulty opening/closing related components
  • Direct-fit OEM replacement for the specified application
What's included: Pin only Install notes:
  • Disconnect electrical power and shut off water or gas before servicing
  • Support the component being serviced to prevent strain or damage during removal/installation
  • Note the original orientation and retain any washers, clips, or spacers for transfer to the new pin
  • Inspect mating holes/bushings; replace related worn parts to ensure proper fit and operation

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$5.57
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$6.57
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$1.00

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550
By: Bosch
$17.95
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$19.86
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$1.91

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551
By: Bosch

This cable harness routes power and signals between key components to restore reliable electrical connections and normal appliance operation. Replace a damaged harness to fix intermittent power, control failures, or non-responsive functions. What it does:

  • Provides the multi-conductor wiring path that links control boards, sensors, and motors
  • Carries low-voltage signals and/or line power needed for normal appliance functions
  • Commonly replaced when wires or connectors are damaged, burned, or corroded
  • Can resolve symptoms such as intermittent operation, no power to components, or control errors
What's included: One cable harness Install notes:
  • Disconnect all power before accessing wiring or controls to avoid shock
  • Route harness along original clips and channels to prevent pinching or chafing
  • Inspect connectors for damage and replace if terminals are loose or burned

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$18.35
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$20.19
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$1.84

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552
By: Bosch
$114.47
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$125.92
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$11.45

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553
Product photo
By: Bosch

This ignition cable connects the stove's spark electrode to the ignition system so burners ignite reliably. It replaces a damaged or degraded lead to restore spark delivery and consistent lighting. What it does:

  • Transfers ignition voltage from the module to the burner electrode so sparks form at the burner
  • Helps stop intermittent or no-spark symptoms when the wire is cracked or corroded
  • Prevents arcing caused by insulation damage or improper routing
  • Restores normal ignition behavior when the original cable is worn or burned
What's included:
  • One ignition cable
Install notes:
  • Disconnect power and turn off gas supply before starting any service
  • Inspect routing and connectors; replace only if the wire or insulation is damaged
  • Keep the cable away from high-heat areas and sharp edges to prevent future damage

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$15.95
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$19.14
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$3.19

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554
By: Bosch
$198.48
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$218.33
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$19.85

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555
By: Bosch
$103.95
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$114.57
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$10.62

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556
By: Bosch
$188.95
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$207.98
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$19.03

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